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22036 (1999 XL181)
Classification: Main-belt Asteroid          SPK-ID: 2022036
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1368670193900331 3.9151e-08  
a 3.038791237939776 1.7122e-08 au
q 2.62288093865441 1.145e-07 au
i 9.828124353280963 3.9672e-06 deg
node 340.6117774947467 1.9491e-05 deg
peri 341.41756663 2.3483e-05 deg
M 78.58281560278512 1.2563e-05 deg
tp 2458778.147752326313
(2019-Oct-21.64775233)
6.7097e-05 TDB
period 1934.860796170539
5.30
1.6353e-05
4.477e-08
d
yr
n .1860598967700979 1.5725e-09 deg/d
Q 3.454701537225142 1.9465e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1823  
   data-arc span      10945 days (29.97 yr)  
   first obs. used      1991-03-17  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49807  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:58:19  

Additional Information
 Earth MOID = 1.61102 au 
 Jupiter MOID = 1.89919 au 
 T_jup = 3.204 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.57   n/a E2021B10  

22036 (1999 XL181)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XL181 = 1993 RT9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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